Penis

The penis (plural penises or penes) or phallus (plural phalli) is the external male copulatory organ of some animals, and, in mammals, the external male organ of urination.

Related Topics:
Male - Copulatory - Organ - Mammal - Urination

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In humans, the penis is homologous to the female clitoris, as it develops from the same embryonic structure. It is capable of erection for use in copulation.

Related Topics:
Homologous - Female - Clitoris - Erection - Copulation

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